The TTL Data Book for Design Engineers Author:Texas Instruments This book presents important information technical information on the family of TTL integrated circiuts. You will find complete specifications on standard technology TTL circuits. (series 54/74,series 54H/74H, series 54LS/74S) as well as a radiation hardened and beam-lead circuits. Also included are advanced technology TTL circuits consisting... more » fof high performance random access memories.« less